# Zero vs Fastime Fasting Tracker

Zero and Fastime Fasting Tracker both sit at 4.8 stars, but that hides the real split: 100% of Fastime Fasting Tracker's written reviews are positive against 32% of Zero's. Fastime Fasting Tracker also leads on in-app purchases (none vs 10). Zero's advantage is ratings volume (445K vs 11) and chart position (#101 vs unranked). On price, rating, update cadence and ads there is nothing between them.

Both are free to download. Zero sells 7 in-app purchases, starting at $9.99 per month. Fastime Fasting Tracker asks for nothing beyond the download.

Fastime Fasting Tracker holds the better App Store score, 5.0 against 4.8. That said, the two scores are not equally well evidenced: Zero has 445K ratings behind it against 11, so its average is the more settled of the two. Written reviews point the same way: 32% of Zero's written reviews are positive against 100% of Fastime Fasting Tracker's.

Zero ships an update every 2 weeks, Fastime Fasting Tracker every 9 days. The most recent releases landed on November 5, 2026 and November 4, 2026 respectively.

## The numbers

| Metric | Zero | Fastime Fasting Tracker |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.8 (445K ratings)](https://appshunter.io/ios/app/zero-fasting-and-food-tracker/id1168348542/reviews) | **[5.0 (11 ratings)](https://appshunter.io/ios/app/fastime-fasting-tracker/id6738931240/reviews)** |
| Number of ratings | **445K** | 11 |
| Positive reviews | 32.0% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 2 weeks | **Every 9 days** |
| Monetization | Freemium | **Free** |
| Best chart rank | **#101** | — |
| Size | 195 MB | 4 MB |
| Requires iOS | **17.0** | 18.0 |
| Devices | **iPhone, Apple Watch** | iPhone |
| Age rating | 17+ | 17+ |
| Developer | [Zero Longevity Science, Inc.](https://appshunter.io/developer/1397458636) | [Costa Stathis](https://appshunter.io/developer/1782970486) |

## What reviewers say

### Zero

[App page](https://appshunter.io/ios/app/zero-fasting-and-food-tracker/id1168348542)

**Currently charting:** #101 Top Grossing · Health & Fitness (US App Store)

This app tracks intermittent fasting and nutrition to help users achieve real body composition changes. It integrates fasting, protein intake, meals, hydration, and habits for a holistic approach to weight loss and metabolic health.

**Highlights:** Intermittent fasting timers and streaks, Smart meal logging with photo recognition, Personalized daily protein target tracking, Integrated fasting and protein tracking, Water and habit tracking, Science-based insights on fasting and nutrition

**Features:** Family Sharing, Apple Watch app, Vision Pro support

**In-app purchases (7)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Zero Plus Subscription | $9.99 | per month |
| Zero Plus Subscription | $9.99 | per month |
| Zero Plus Subscription | $69.99 | per year |
| Zero Plus Subscription | $69.99 | per year |
| Zero Plus Subscription | $69.99 | per year |
| Zero Plus Subscription | $69.99 | per year |
| Zero Plus Subscription | $89.99 | per year |

**What reviewers like**

- 🚀 Easy to use
- 📊 Helpful tracking and data
- 💡 Informative learning resources
- 🔍 Detailed fasting information
- 🤝 Sense of community

**What reviewers complain about**

- 💰 Expensive premium subscription
- 🔒 Forced account creation
- 🙄 Intrusive ads and upsells
- 🤔 Inconsistent or confusing UI changes
- 🐛 Syncing and login issues

**Reported bugs**

- Password reset problems
- Inaccurate fasting time tracking
- Inability to exit trial without subscribing

**Requested features**

- Custom fasting periods longer than 24 hours
- Ability to edit fasting type and duration
- Integration with more health/fitness apps
- Water intake tracking
- Personalized fasting recommendations


### Fastime Fasting Tracker

[App page](https://appshunter.io/ios/app/fastime-fasting-tracker/id6738931240)

This free intermittent fasting tracker helps you achieve health goals with intuitive tools, reminders, and progress insights. It offers custom fasting goals and HealthKit integration for weight tracking, all without requiring signups or displaying ads.

**Highlights:** Completely Free & Ad-Free, No Signups Needed, Custom Fasting Goals, Health Trends & Insights, Reminders & Encouragement, HealthKit Integration

**In-app purchases:** none


## Frequently asked questions

### Is Zero free?

Zero is free to download, with in-app purchases available.

### Is Fastime Fasting Tracker free?

Fastime Fasting Tracker is free to download, with no in-app purchases.

### Which has better reviews, Zero or Fastime Fasting Tracker?

Fastime Fasting Tracker is rated higher. Zero averages 4.8 out of 5 from 445K ratings, while Fastime Fasting Tracker averages 5.0 from 11 ratings.

### Do Zero or Fastime Fasting Tracker have ads?

Neither Zero nor Fastime Fasting Tracker shows ads.

### Which is updated more often, Zero or Fastime Fasting Tracker?

Zero ships an update every 2 weeks, and Fastime Fasting Tracker every 9 days. Most recently, Zero was updated on November 5, 2026 and Fastime Fasting Tracker on November 4, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*